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259 hedge funds and large institutions have $725M invested in Geron in 2025 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 97 increasing their positions, 71 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

37% more repeat investments, than reductions

Existing positions increased: 97 | Existing positions reduced: 71

28% more call options, than puts

Call options by funds: $1.31M | Put options by funds: $1.02M

0.73% more ownership

Funds ownership: 80.04%80.77% (+0.73%)

4% less funds holding

Funds holding: 270259 (-11)

11% less capital invested

Capital invested by funds: $812M → $725M (-$86.2M)

20% less first-time investments, than exits

New positions opened: 32 | Existing positions closed: 40

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
259
Holders Change
-11
Holders Change %
-4.07%
% of All Funds
3.41%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
32
Increased
97
Reduced
71
Closed
40
Calls
$1.31M
Puts
$1.02M
Net Calls
+$288K
Net Calls Change
-$577K
Name Holding Trade Value Shares
Change
Change in
Stake
Canada Life
101
Canada Life
Manitoba, Canada
$214K +$3.05K +2,153 +1%
QC
102
Quadrature Capital
United Kingdom
$212K +$99.2K +69,950 +87%
ProShare Advisors
103
ProShare Advisors
Maryland
$209K -$12.1K -8,503 -5%
ASRS
104
Arizona State Retirement System
Arizona
$209K +$1.8K +1,268 +0.9%
PFSRSONJ
105
Police & Firemen's Retirement System of New Jersey
New Jersey
$203K +$28.1K +19,812 +16%
State Board of Administration of Florida Retirement System
106
State Board of Administration of Florida Retirement System
Florida
$200K
Teacher Retirement System of Texas
107
Teacher Retirement System of Texas
Texas
$194K -$1.29K -909 -0.7%
Simplex Trading
108
Simplex Trading
Illinois
$193K -$74.6K -52,613 -28%
HS
109
HighVista Strategies
Massachusetts
$187K +$7.69K +5,427 +4%
LPL Financial
110
LPL Financial
California
$187K +$1.01K +714 +0.5%
CUAMC
111
China Universal Asset Management Company
China
$180K +$241 +170 +0.1%
XT
112
XTX Topco
Cayman Islands
$176K +$160K +113,023 +983%
PCM
113
Polymer Capital Management
New York
$157K +$138K +97,678 +714%
Zurich Cantonal Bank
114
Zurich Cantonal Bank
Switzerland
$146K -$95.3K -67,211 -39%
LCM
115
Lazari Capital Management
California
$144K +$9.07K +6,400 +7%
Wealth Enhancement Advisory Services
116
Wealth Enhancement Advisory Services
Minnesota
$142K +$6.51K +4,593 +5%
KK
117
KLP Kapitalforvaltning
Norway
$141K
DS
118
DRW Securities
Illinois
$137K +$138K +97,453 New
EFM
119
E Fund Management
China
$130K +$14K +9,849 +12%
ZIG
120
Zuckerman Investment Group
Illinois
$124K -$21.3K -15,000 -15%
Osaic Holdings
121
Osaic Holdings
Arizona
$124K -$30.1K -21,200 -19%
JGC
122
J. Goldman & Co
New York
$122K
Mariner
123
Mariner
Kansas
$119K +$23.7K +16,699 +25%
BP
124
Ballentine Partners
Massachusetts
$116K +$116K +82,084 New
Prudential Financial
125
Prudential Financial
New Jersey
$112K +$47.3K +33,352 +72%

GERN Hedge Fund Activity: Q2 2025 in Review

259 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Geron (GERN) for Q2 2025, worth a combined $725M — down 11% from $812M a quarter earlier.

Sellers outnumbered buyers: 40 funds closed out of GERN and 32 opened new positions — a net loss of 8 holders — while 71 trimmed existing stakes and 97 added.

The largest buyer was Soleus Capital Management, adding an estimated $19.5M. The largest seller was Janus Henderson Group, cutting an estimated $26.4M.

  • 259 institutional investors held Geron (GERN) as of Q2 2025, down from 270 in Q1 2025.
  • Funds reported $725M of Geron stock for Q2 2025, down 11% quarter-over-quarter.
  • 32 funds opened new Geron positions in Q2 2025 and 40 closed out, a net change of -8 holders.
  • The largest Geron buyer in Q2 2025 was Soleus Capital Management, an estimated $19.5M added.
  • The largest Geron seller in Q2 2025 was Janus Henderson Group, an estimated $26.4M sold.

Based on aggregated 13F filings for Q2 2025.